Chart 2
- Starting Concerns: Hard Start/Long Crank/Erratic Start/Erratic Crank
NOTE:
Check the BdyCM CRASH PID status. The CRASH PID status YES indicates a crash event has occurred, and may be the cause of the Hard Start/Long Crank/Erratic Start symptom. If the CRASH PID indicates YES, carry out the BdyCM Electrical Service Function Crash Status Reset to reset the PID status.
Verify the Hard Start/Long Crank/Erratic Start symptom still exists before continuing with the following diagnostics.
| SYSTEM/COMPONENT | REFERENCE (Engine Controls Pinpoint Test unless noted) |
|---|---|
| Battery Condition And Current Draw | REFER to the Charging System, Diagnosis And Testing article to continue diagnosis. |
| Secondary Ignition System | GO to PINPOINT TEST JB . |
| Fuel Delivery System | GO to PINPOINT TEST HC . |
| Cold Start System | GO to PINPOINT TEST AB . |
| Exhaust System | GO to PINPOINT TEST HF . |
| Positive Crankcase Ventilation (PCV) System | GO to PINPOINT TEST HG . |
| EVAP System | GO to PINPOINT TEST HX . |
| Intake Air System | GO to PINPOINT TEST HU . |
| Starting System | REFER to the appropriate Starting System article to diagnose the engine cranks slowly symptom. |
| Mass Airflow (MAF) Sensor | GO to PINPOINT TEST DC . |
| Additional Testing | GO to PINPOINT TEST Z . |